Related link: http://www.ondotnet.com/pub/a/dotnet/2004/06/14/liberty_whidbey.html?page=1

Wow!” That is my honest opinion about the level of support built into ASP.NET 2.0 for forms-based security.

This is the first of two articles on adding security to your ASP.NET application in ASP.NET 2.0 (Whidbey)